er4pc

Posts Tagged ‘er4pc’

Fixing a Scorbot ER4-PC


No electronics lab can go for long without a robot eventually making its way in. Well, in my lab there is approx a dozen. Most are Scorbots by Eshed Robotec (Intelitek, Depco and there may be other names under which they were sold) These robots are usually rather old and by the time you get them they have been through a couple of generations of middle school students. But they were built solid and many survived, even if in need of repair. This is what this post is about Read the rest of this entry »

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Recent Comments
  • Ron: One correction. The original 7200-BN bulbs were 2.5 watts. I also have 3 of the vented replacements left for...
  • Ron: I have some of the upgraded 7200LED-BN bulbs that LOA sent me a year or so after I installed 2 4-puck strings in...
  • Chisight: You seem to be trying to implement a constant current supply but the LT1121 doesn’t have a constant...
  • Joshua Donar: Would you happen to know where the driver is for the CT10L drive is? Haven’t been able to locate...
  • Albert: Hello Thank you for sharing Tell me please meaning D4 zener. Meaning the role in this schematic. Looks like...
  • Will: I also aquired a scorbot 3 without a controller and in my spare time I have been developing a simple servo...
  • YamZYang: Hello, I learned alot from here. I have a question about the H-bridge motor driver, are there any special...
  • John: I’m trying to use this code to rotate a 14-pole, 12-slot BLDC motor. However, I’m getting some very...
  • admin: The signal is most definitely a square wave of varying width. Its resulting torque might look like a sine wave...
  • Andrei: Hi there, Great article. Really helps to explain the BLDC control. I was thinking of a way to control a BLDC...
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